Java tutorial
//package com.java2s; import java.util.regex.Matcher; import java.util.regex.Pattern; public class Main { public static boolean checkEmailAddress(String emailString) { String regEx = "\\w+([-+._]\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*"; Matcher matcherObj = Pattern.compile(regEx).matcher(emailString); if (matcherObj.matches()) { return true; } else { return false; } } }